<%@ page language="java" contentType="text/html; charset=UTF-8"	pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%
	String rand = (String) session.getAttribute("rand");
	String input = request.getParameter("rand");
	if (rand.equals(input)) {
		out.print("<script>alert('验证通过！');</script>");
	} else {
		out.print("<script>alert('请输入正确的验证码！');location.href='login.jsp';</script>");
	}
%>